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Portrait of Our Dusty Past


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This artist's concept illustrates a solar system that is a much younger version of our own. Dusty disks, like the one shown here circling the star, are thought to be the breeding grounds of planets, including rocky ones like Earth. Astronomers using NASA's Spitzer Space Telescope spotted some of the raw ingredients for DNA and protein in one such disk belonging to a star called IRS 46. The ingredients, gaseous precursors to DNA and protein called acetylene and hydrogen cyanide, were detected in the star's inner disk, the region where scientists believe Earth-like planets would be most likely to form.


Mediatype image
Creator NASA/JPL-Caltech/T. Pyle (SSC)
Date 0000
Relation Partial Ingredients for DNA and Protein Found Around Star [ http://www.spitzer.caltech.edu/Media/releases/ssc2005-26/release.shtml ]
Insightuid nasaNAS~12~12~64314~168795
Source http://sscws1.ipac.caltech.edu/Imagegallery/image.php?image_name=ssc2005-26b
What Earth
What Spitzer Space Telescope
What Infrared Spectrograph (IRS)
Identifier SPITZ-ssc2005-26b
Addeddate 2009-10-06 03:53:24
Publicdate 2009-10-06 06:17:01

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Uploaded by
BonnieReal
on 10/6/2009
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